<div class="layui-collapse" lay-accordion="">
    <div class="layui-colla-item">
        <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/0" class="fly-link fly-joinad">入门</a></h2>
        <div class="layui-colla-content">
            <div class="layui-collapse" lay-accordion="">
                <div class="layui-colla-item">
                    <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/11" class="fly-link fly-joinad">模拟</a></h2>
                    <div class="layui-colla-content">
                        <p>
                            没有了
                        </p>
                    </div>
                </div>
                <div class="layui-colla-item">
                    <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/12" class="fly-link fly-joinad">暴力</a></h2>
                    <div class="layui-colla-content">
                        <p>
                            没有了
                        </p>
                    </div>
                </div>
                <div class="layui-colla-item">
                    <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/13" class="fly-link fly-joinad">贪心</a></h2>
                    <div class="layui-colla-content">
                        <p>
                            没有了
                        </p>
                    </div>
                </div>
                <div class="layui-colla-item">
                    <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/14" class="fly-link fly-joinad">高精度</a></h2>
                    <div class="layui-colla-content">
                        <p>
                            没有了
                        </p>
                    </div>
                </div>
                <div class="layui-colla-item">
                    <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/15" class="fly-link fly-joinad">排序</a></h2>
                    <div class="layui-colla-content">
                        <p>
                            没有了
                        </p>
                    </div>
                </div>
            </div>
        </div>
    </div>
    <div class="layui-colla-item">
        <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/1" class="fly-link fly-joinad">图论</a></h2>
        <div class="layui-colla-content">
            <div class="layui-collapse" lay-accordion="">
                <div class="layui-colla-item">
                    <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/23" class="fly-link fly-joinad">最短路</a></h2>
                    <div class="layui-colla-content">
                        <div class="layui-collapse" lay-accordion="">
                            <div class="layui-colla-item">
                                <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/30" class="fly-link fly-joinad">SPFA</a></h2>
                                <div class="layui-colla-content">
                                    <p>
                                        没有了
                                    </p>
                                </div>
                            </div>
                            <div class="layui-colla-item">
                                <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/31" class="fly-link fly-joinad">bellman-ford</a></h2>
                                <div class="layui-colla-content">
                                    <p>
                                        没有了
                                    </p>
                                </div>
                            </div>
                            <div class="layui-colla-item">
                                <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/32" class="fly-link fly-joinad">Dijkstra</a></h2>
                                <div class="layui-colla-content">
                                    <p>
                                        没有了
                                    </p>
                                </div>
                            </div>
                            <div class="layui-colla-item">
                                <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/33" class="fly-link fly-joinad">Johnson</a></h2>
                                <div class="layui-colla-content">
                                    <p>
                                        没有了
                                    </p>
                                </div>
                            </div>
                            <div class="layui-colla-item">
                                <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/34" class="fly-link fly-joinad">Floyd</a></h2>
                                <div class="layui-colla-content">
                                    <p>
                                        没有了
                                    </p>
                                </div>
                            </div>
                            <div class="layui-colla-item">
                                <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/35" class="fly-link fly-joinad">差分约束</a></h2>
                                <div class="layui-colla-content">
                                    <p>
                                        没有了
                                    </p>
                                </div>
                            </div>
                            <div class="layui-colla-item">
                                <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/36" class="fly-link fly-joinad">第k短路</a></h2>
                                <div class="layui-colla-content">
                                    <p>
                                        没有了
                                    </p>
                                </div>
                            </div>
                        </div>
                    </div>
                </div>
                <div class="layui-colla-item">
                    <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/24" class="fly-link fly-joinad">树</a></h2>
                    <div class="layui-colla-content">
                        <div class="layui-collapse" lay-accordion="">
                            <div class="layui-colla-item">
                                <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/37" class="fly-link fly-joinad">最小生成树</a></h2>
                                <div class="layui-colla-content">
                                    <p>
                                        没有了
                                    </p>
                                </div>
                            </div>
                            <div class="layui-colla-item">
                                <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/38" class="fly-link fly-joinad">树的中心及直径</a></h2>
                                <div class="layui-colla-content">
                                    <p>
                                        没有了
                                    </p>
                                </div>
                            </div>
                            <div class="layui-colla-item">
                                <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/39" class="fly-link fly-joinad">dfs序</a></h2>
                                <div class="layui-colla-content">
                                    <p>
                                        没有了
                                    </p>
                                </div>
                            </div>
                            <div class="layui-colla-item">
                                <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/40" class="fly-link fly-joinad">树链剖分与动态树</a></h2>
                                <div class="layui-colla-content">
                                    <p>
                                        没有了
                                    </p>
                                </div>
                            </div>
                            <div class="layui-colla-item">
                                <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/41" class="fly-link fly-joinad">LCA</a></h2>
                                <div class="layui-colla-content">
                                    <p>
                                        没有了
                                    </p>
                                </div>
                            </div>
                            <div class="layui-colla-item">
                                <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/42" class="fly-link fly-joinad">Prufer编码及Cayler定理</a></h2>
                                <div class="layui-colla-content">
                                    <p>
                                        没有了
                                    </p>
                                </div>
                            </div>
                            <div class="layui-colla-item">
                                <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/43" class="fly-link fly-joinad">分治</a></h2>
                                <div class="layui-colla-content">
                                    <p>
                                        没有了
                                    </p>
                                </div>
                            </div>
                        </div>
                    </div>
                </div>
                <div class="layui-colla-item">
                    <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/25" class="fly-link fly-joinad">图的联通</a></h2>
                    <div class="layui-colla-content">
                        <div class="layui-collapse" lay-accordion="">
                            <div class="layui-colla-item">
                                <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/44" class="fly-link fly-joinad">强联通分量</a></h2>
                                <div class="layui-colla-content">
                                    <p>
                                        没有了
                                    </p>
                                </div>
                            </div>
                            <div class="layui-colla-item">
                                <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/45" class="fly-link fly-joinad">双联通分量</a></h2>
                                <div class="layui-colla-content">
                                    <p>
                                        没有了
                                    </p>
                                </div>
                            </div>
                            <div class="layui-colla-item">
                                <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/46" class="fly-link fly-joinad">割点和桥</a></h2>
                                <div class="layui-colla-content">
                                    <p>
                                        没有了
                                    </p>
                                </div>
                            </div>
                            <div class="layui-colla-item">
                                <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/47" class="fly-link fly-joinad">2-SAT</a></h2>
                                <div class="layui-colla-content">
                                    <p>
                                        没有了
                                    </p>
                                </div>
                            </div>
                        </div>
                    </div>
                </div>
                <div class="layui-colla-item">
                    <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/26" class="fly-link fly-joinad">拓扑排序</a></h2>
                    <div class="layui-colla-content">
                        <p>
                            没有了
                        </p>
                    </div>
                </div>
                <div class="layui-colla-item">
                    <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/27" class="fly-link fly-joinad">欧拉图</a></h2>
                    <div class="layui-colla-content">
                        <p>
                            没有了
                        </p>
                    </div>
                </div>
                <div class="layui-colla-item">
                    <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/28" class="fly-link fly-joinad">网络</a></h2>
                    <div class="layui-colla-content">
                        <div class="layui-collapse" lay-accordion="">
                            <div class="layui-colla-item">
                                <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/48" class="fly-link fly-joinad">网络流</a></h2>
                                <div class="layui-colla-content">
                                    <p>
                                        没有了
                                    </p>
                                </div>
                            </div>
                            <div class="layui-colla-item">
                                <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/49" class="fly-link fly-joinad">二分图</a></h2>
                                <div class="layui-colla-content">
                                    <p>
                                        没有了
                                    </p>
                                </div>
                            </div>
                            <div class="layui-colla-item">
                                <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/50" class="fly-link fly-joinad">方案唯一性</a></h2>
                                <div class="layui-colla-content">
                                    <p>
                                        没有了
                                    </p>
                                </div>
                            </div>
                        </div>
                    </div>
                </div>
                <div class="layui-colla-item">
                    <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/29" class="fly-link fly-joinad">最小平均值环</a></h2>
                    <div class="layui-colla-content">
                        <p>
                            没有了
                        </p>
                    </div>
                </div>
            </div>
        </div>
    </div>
    <div class="layui-colla-item">
        <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/2" class="fly-link fly-joinad">动态规划</a></h2>
        <div class="layui-colla-content">
            <div class="layui-collapse" lay-accordion="">
                <div class="layui-colla-item">
                    <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/116" class="fly-link fly-joinad">背包</a></h2>
                    <div class="layui-colla-content">
                        <div class="layui-collapse" lay-accordion="">
                            <div class="layui-colla-item">
                                <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/158" class="fly-link fly-joinad">01背包</a></h2>
                                <div class="layui-colla-content">
                                    <p>
                                        没有了
                                    </p>
                                </div>
                            </div>
                            <div class="layui-colla-item">
                                <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/159" class="fly-link fly-joinad">完全背包</a></h2>
                                <div class="layui-colla-content">
                                    <p>
                                        没有了
                                    </p>
                                </div>
                            </div>
                            <div class="layui-colla-item">
                                <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/160" class="fly-link fly-joinad">多重背包</a></h2>
                                <div class="layui-colla-content">
                                    <p>
                                        没有了
                                    </p>
                                </div>
                            </div>
                        </div>
                    </div>
                </div>
                <div class="layui-colla-item">
                    <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/117" class="fly-link fly-joinad">简单模型</a></h2>
                    <div class="layui-colla-content">
                        <div class="layui-collapse" lay-accordion="">
                            <div class="layui-colla-item">
                                <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/161" class="fly-link fly-joinad">最长公共子序列LCS</a></h2>
                                <div class="layui-colla-content">
                                    <p>
                                        没有了
                                    </p>
                                </div>
                            </div>
                            <div class="layui-colla-item">
                                <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/162" class="fly-link fly-joinad">最长递增子序列LIS</a></h2>
                                <div class="layui-colla-content">
                                    <p>
                                        没有了
                                    </p>
                                </div>
                            </div>
                            <div class="layui-colla-item">
                                <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/163" class="fly-link fly-joinad">最长递增公共子序列LCIS</a></h2>
                                <div class="layui-colla-content">
                                    <p>
                                        没有了
                                    </p>
                                </div>
                            </div>
                        </div>
                    </div>
                </div>
                <div class="layui-colla-item">
                    <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/118" class="fly-link fly-joinad">区间DP</a></h2>
                    <div class="layui-colla-content">
                        <p>
                            没有了
                        </p>
                    </div>
                </div>
                <div class="layui-colla-item">
                    <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/119" class="fly-link fly-joinad">树形DP</a></h2>
                    <div class="layui-colla-content">
                        <p>
                            没有了
                        </p>
                    </div>
                </div>
                <div class="layui-colla-item">
                    <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/120" class="fly-link fly-joinad">数位DP</a></h2>
                    <div class="layui-colla-content">
                        <p>
                            没有了
                        </p>
                    </div>
                </div>
                <div class="layui-colla-item">
                    <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/121" class="fly-link fly-joinad">概率DP</a></h2>
                    <div class="layui-colla-content">
                        <p>
                            没有了
                        </p>
                    </div>
                </div>
                <div class="layui-colla-item">
                    <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/122" class="fly-link fly-joinad">斜率优化</a></h2>
                    <div class="layui-colla-content">
                        <p>
                            没有了
                        </p>
                    </div>
                </div>
                <div class="layui-colla-item">
                    <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/123" class="fly-link fly-joinad">四边形不等式</a></h2>
                    <div class="layui-colla-content">
                        <p>
                            没有了
                        </p>
                    </div>
                </div>
                <div class="layui-colla-item">
                    <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/124" class="fly-link fly-joinad">数据结构优化</a></h2>
                    <div class="layui-colla-content">
                        <p>
                            没有了
                        </p>
                    </div>
                </div>
                <div class="layui-colla-item">
                    <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/125" class="fly-link fly-joinad">状态压缩</a></h2>
                    <div class="layui-colla-content">
                        <p>
                            没有了
                        </p>
                    </div>
                </div>
                <div class="layui-colla-item">
                    <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/126" class="fly-link fly-joinad">线性规划</a></h2>
                    <div class="layui-colla-content">
                        <p>
                            没有了
                        </p>
                    </div>
                </div>
            </div>
        </div>
    </div>
    <div class="layui-colla-item">
        <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/3" class="fly-link fly-joinad">数学</a></h2>
        <div class="layui-colla-content">
            <div class="layui-collapse" lay-accordion="">
                <div class="layui-colla-item">
                    <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/95" class="fly-link fly-joinad">线性筛素数</a></h2>
                    <div class="layui-colla-content">
                        <p>
                            没有了
                        </p>
                    </div>
                </div>
                <div class="layui-colla-item">
                    <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/96" class="fly-link fly-joinad">费马小定理及mr素数判断</a></h2>
                    <div class="layui-colla-content">
                        <p>
                            没有了
                        </p>
                    </div>
                </div>
                <div class="layui-colla-item">
                    <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/97" class="fly-link fly-joinad">高斯消元</a></h2>
                    <div class="layui-colla-content">
                        <p>
                            没有了
                        </p>
                    </div>
                </div>
                <div class="layui-colla-item">
                    <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/98" class="fly-link fly-joinad">原根</a></h2>
                    <div class="layui-colla-content">
                        <p>
                            没有了
                        </p>
                    </div>
                </div>
                <div class="layui-colla-item">
                    <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/99" class="fly-link fly-joinad">模方程</a></h2>
                    <div class="layui-colla-content">
                        <p>
                            没有了
                        </p>
                    </div>
                </div>
                <div class="layui-colla-item">
                    <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/100" class="fly-link fly-joinad">乘法逆元</a></h2>
                    <div class="layui-colla-content">
                        <p>
                            没有了
                        </p>
                    </div>
                </div>
                <div class="layui-colla-item">
                    <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/101" class="fly-link fly-joinad">容斥原理及Ramsey定理</a></h2>
                    <div class="layui-colla-content">
                        <p>
                            没有了
                        </p>
                    </div>
                </div>
                <div class="layui-colla-item">
                    <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/102" class="fly-link fly-joinad">gcd及扩展gcd</a></h2>
                    <div class="layui-colla-content">
                        <p>
                            没有了
                        </p>
                    </div>
                </div>
                <div class="layui-colla-item">
                    <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/103" class="fly-link fly-joinad">中国剩余定理</a></h2>
                    <div class="layui-colla-content">
                        <p>
                            没有了
                        </p>
                    </div>
                </div>
                <div class="layui-colla-item">
                    <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/104" class="fly-link fly-joinad">快速幂</a></h2>
                    <div class="layui-colla-content">
                        <p>
                            没有了
                        </p>
                    </div>
                </div>
                <div class="layui-colla-item">
                    <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/105" class="fly-link fly-joinad">置换</a></h2>
                    <div class="layui-colla-content">
                        <p>
                            没有了
                        </p>
                    </div>
                </div>
                <div class="layui-colla-item">
                    <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/106" class="fly-link fly-joinad">矩阵乘法</a></h2>
                    <div class="layui-colla-content">
                        <p>
                            没有了
                        </p>
                    </div>
                </div>
                <div class="layui-colla-item">
                    <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/107" class="fly-link fly-joinad">欧拉函数</a></h2>
                    <div class="layui-colla-content">
                        <p>
                            没有了
                        </p>
                    </div>
                </div>
                <div class="layui-colla-item">
                    <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/108" class="fly-link fly-joinad">数值与积分</a></h2>
                    <div class="layui-colla-content">
                        <p>
                            没有了
                        </p>
                    </div>
                </div>
                <div class="layui-colla-item">
                    <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/109" class="fly-link fly-joinad">概率与期望</a></h2>
                    <div class="layui-colla-content">
                        <p>
                            没有了
                        </p>
                    </div>
                </div>
                <div class="layui-colla-item">
                    <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/110" class="fly-link fly-joinad">更相减损术</a></h2>
                    <div class="layui-colla-content">
                        <p>
                            没有了
                        </p>
                    </div>
                </div>
                <div class="layui-colla-item">
                    <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/111" class="fly-link fly-joinad">莫比乌斯反演</a></h2>
                    <div class="layui-colla-content">
                        <p>
                            没有了
                        </p>
                    </div>
                </div>
                <div class="layui-colla-item">
                    <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/112" class="fly-link fly-joinad">快速傅里叶变换</a></h2>
                    <div class="layui-colla-content">
                        <p>
                            没有了
                        </p>
                    </div>
                </div>
                <div class="layui-colla-item">
                    <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/113" class="fly-link fly-joinad">排列组合</a></h2>
                    <div class="layui-colla-content">
                        <p>
                            没有了
                        </p>
                    </div>
                </div>
                <div class="layui-colla-item">
                    <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/114" class="fly-link fly-joinad">群论与Burnisde-Polya</a></h2>
                    <div class="layui-colla-content">
                        <p>
                            没有了
                        </p>
                    </div>
                </div>
                <div class="layui-colla-item">
                    <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/115" class="fly-link fly-joinad">母函数</a></h2>
                    <div class="layui-colla-content">
                        <p>
                            没有了
                        </p>
                    </div>
                </div>
            </div>
        </div>
    </div>
    <div class="layui-colla-item">
        <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/4" class="fly-link fly-joinad">博弈</a></h2>
        <div class="layui-colla-content">
            <div class="layui-collapse" lay-accordion="">
                <div class="layui-colla-item">
                    <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/78" class="fly-link fly-joinad">SG函数</a></h2>
                    <div class="layui-colla-content">
                        <p>
                            没有了
                        </p>
                    </div>
                </div>
                <div class="layui-colla-item">
                    <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/79" class="fly-link fly-joinad">极大极小搜索算法</a></h2>
                    <div class="layui-colla-content">
                        <p>
                            没有了
                        </p>
                    </div>
                </div>
            </div>
        </div>
    </div>
    <div class="layui-colla-item">
        <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/5" class="fly-link fly-joinad">字符串</a></h2>
        <div class="layui-colla-content">
            <div class="layui-collapse" lay-accordion="">
                <div class="layui-colla-item">
                    <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/71" class="fly-link fly-joinad">KMP</a></h2>
                    <div class="layui-colla-content">
                        <p>
                            没有了
                        </p>
                    </div>
                </div>
                <div class="layui-colla-item">
                    <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/72" class="fly-link fly-joinad">Tire</a></h2>
                    <div class="layui-colla-content">
                        <p>
                            没有了
                        </p>
                    </div>
                </div>
                <div class="layui-colla-item">
                    <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/73" class="fly-link fly-joinad">AC自动机</a></h2>
                    <div class="layui-colla-content">
                        <p>
                            没有了
                        </p>
                    </div>
                </div>
                <div class="layui-colla-item">
                    <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/74" class="fly-link fly-joinad">后缀树</a></h2>
                    <div class="layui-colla-content">
                        <div class="layui-collapse" lay-accordion="">
                            <div class="layui-colla-item">
                                <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/144" class="fly-link fly-joinad">后缀数组</a></h2>
                                <div class="layui-colla-content">
                                    <p>
                                        没有了
                                    </p>
                                </div>
                            </div>
                            <div class="layui-colla-item">
                                <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/145" class="fly-link fly-joinad">后缀自动机</a></h2>
                                <div class="layui-colla-content">
                                    <p>
                                        没有了
                                    </p>
                                </div>
                            </div>
                            <div class="layui-colla-item">
                                <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/146" class="fly-link fly-joinad">后缀仙人掌</a></h2>
                                <div class="layui-colla-content">
                                    <p>
                                        没有了
                                    </p>
                                </div>
                            </div>
                        </div>
                    </div>
                </div>
                <div class="layui-colla-item">
                    <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/75" class="fly-link fly-joinad">LCP</a></h2>
                    <div class="layui-colla-content">
                        <p>
                            没有了
                        </p>
                    </div>
                </div>
                <div class="layui-colla-item">
                    <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/76" class="fly-link fly-joinad">Manacher</a></h2>
                    <div class="layui-colla-content">
                        <p>
                            没有了
                        </p>
                    </div>
                </div>
                <div class="layui-colla-item">
                    <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/77" class="fly-link fly-joinad">有限状态自动机</a></h2>
                    <div class="layui-colla-content">
                        <p>
                            没有了
                        </p>
                    </div>
                </div>
            </div>
        </div>
    </div>
    <div class="layui-colla-item">
        <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/6" class="fly-link fly-joinad">计算几何</a></h2>
        <div class="layui-colla-content">
            <div class="layui-collapse" lay-accordion="">
                <div class="layui-colla-item">
                    <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/51" class="fly-link fly-joinad">凸包</a></h2>
                    <div class="layui-colla-content">
                        <p>
                            没有了
                        </p>
                    </div>
                </div>
                <div class="layui-colla-item">
                    <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/52" class="fly-link fly-joinad">半平面交</a></h2>
                    <div class="layui-colla-content">
                        <p>
                            没有了
                        </p>
                    </div>
                </div>
                <div class="layui-colla-item">
                    <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/53" class="fly-link fly-joinad">圆并圆交</a></h2>
                    <div class="layui-colla-content">
                        <p>
                            没有了
                        </p>
                    </div>
                </div>
                <div class="layui-colla-item">
                    <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/54" class="fly-link fly-joinad">pick定理</a></h2>
                    <div class="layui-colla-content">
                        <p>
                            没有了
                        </p>
                    </div>
                </div>
                <div class="layui-colla-item">
                    <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/55" class="fly-link fly-joinad">三角剖分</a></h2>
                    <div class="layui-colla-content">
                        <p>
                            没有了
                        </p>
                    </div>
                </div>
                <div class="layui-colla-item">
                    <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/56" class="fly-link fly-joinad">扫描线</a></h2>
                    <div class="layui-colla-content">
                        <p>
                            没有了
                        </p>
                    </div>
                </div>
                <div class="layui-colla-item">
                    <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/57" class="fly-link fly-joinad">旋转卡壳</a></h2>
                    <div class="layui-colla-content">
                        <p>
                            没有了
                        </p>
                    </div>
                </div>
                <div class="layui-colla-item">
                    <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/58" class="fly-link fly-joinad">仿射变换与矩阵</a></h2>
                    <div class="layui-colla-content">
                        <p>
                            没有了
                        </p>
                    </div>
                </div>
            </div>
        </div>
    </div>
    <div class="layui-colla-item">
        <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/7" class="fly-link fly-joinad">数据结构</a></h2>
        <div class="layui-colla-content">
            <div class="layui-collapse" lay-accordion="">
                <div class="layui-colla-item">
                    <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/80" class="fly-link fly-joinad">栈</a></h2>
                    <div class="layui-colla-content">
                        <p>
                            没有了
                        </p>
                    </div>
                </div>
                <div class="layui-colla-item">
                    <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/81" class="fly-link fly-joinad">队列</a></h2>
                    <div class="layui-colla-content">
                        <p>
                            没有了
                        </p>
                    </div>
                </div>
                <div class="layui-colla-item">
                    <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/82" class="fly-link fly-joinad">堆</a></h2>
                    <div class="layui-colla-content">
                        <p>
                            没有了
                        </p>
                    </div>
                </div>
                <div class="layui-colla-item">
                    <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/83" class="fly-link fly-joinad">链表</a></h2>
                    <div class="layui-colla-content">
                        <p>
                            没有了
                        </p>
                    </div>
                </div>
                <div class="layui-colla-item">
                    <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/84" class="fly-link fly-joinad">哈希表</a></h2>
                    <div class="layui-colla-content">
                        <p>
                            没有了
                        </p>
                    </div>
                </div>
                <div class="layui-colla-item">
                    <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/85" class="fly-link fly-joinad">并查集</a></h2>
                    <div class="layui-colla-content">
                        <div class="layui-collapse" lay-accordion="">
                            <div class="layui-colla-item">
                                <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/147" class="fly-link fly-joinad">路径压缩</a></h2>
                                <div class="layui-colla-content">
                                    <p>
                                        没有了
                                    </p>
                                </div>
                            </div>
                            <div class="layui-colla-item">
                                <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/148" class="fly-link fly-joinad">带边权的并查集</a></h2>
                                <div class="layui-colla-content">
                                    <p>
                                        没有了
                                    </p>
                                </div>
                            </div>
                            <div class="layui-colla-item">
                                <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/149" class="fly-link fly-joinad">拆点</a></h2>
                                <div class="layui-colla-content">
                                    <p>
                                        没有了
                                    </p>
                                </div>
                            </div>
                        </div>
                    </div>
                </div>
                <div class="layui-colla-item">
                    <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/86" class="fly-link fly-joinad">块状链表-块状树</a></h2>
                    <div class="layui-colla-content">
                        <p>
                            没有了
                        </p>
                    </div>
                </div>
                <div class="layui-colla-item">
                    <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/87" class="fly-link fly-joinad">树状数组</a></h2>
                    <div class="layui-colla-content">
                        <p>
                            没有了
                        </p>
                    </div>
                </div>
                <div class="layui-colla-item">
                    <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/88" class="fly-link fly-joinad">线段树</a></h2>
                    <div class="layui-colla-content">
                        <div class="layui-collapse" lay-accordion="">
                            <div class="layui-colla-item">
                                <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/150" class="fly-link fly-joinad">Lazy-tag</a></h2>
                                <div class="layui-colla-content">
                                    <p>
                                        没有了
                                    </p>
                                </div>
                            </div>
                            <div class="layui-colla-item">
                                <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/151" class="fly-link fly-joinad">合并</a></h2>
                                <div class="layui-colla-content">
                                    <p>
                                        没有了
                                    </p>
                                </div>
                            </div>
                            <div class="layui-colla-item">
                                <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/152" class="fly-link fly-joinad">动态开点</a></h2>
                                <div class="layui-colla-content">
                                    <p>
                                        没有了
                                    </p>
                                </div>
                            </div>
                            <div class="layui-colla-item">
                                <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/153" class="fly-link fly-joinad">zkw线段树</a></h2>
                                <div class="layui-colla-content">
                                    <p>
                                        没有了
                                    </p>
                                </div>
                            </div>
                        </div>
                    </div>
                </div>
                <div class="layui-colla-item">
                    <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/89" class="fly-link fly-joinad">平衡树</a></h2>
                    <div class="layui-colla-content">
                        <div class="layui-collapse" lay-accordion="">
                            <div class="layui-colla-item">
                                <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/154" class="fly-link fly-joinad">SBT</a></h2>
                                <div class="layui-colla-content">
                                    <p>
                                        没有了
                                    </p>
                                </div>
                            </div>
                            <div class="layui-colla-item">
                                <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/155" class="fly-link fly-joinad">splay</a></h2>
                                <div class="layui-colla-content">
                                    <p>
                                        没有了
                                    </p>
                                </div>
                            </div>
                            <div class="layui-colla-item">
                                <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/156" class="fly-link fly-joinad">treap</a></h2>
                                <div class="layui-colla-content">
                                    <p>
                                        没有了
                                    </p>
                                </div>
                            </div>
                            <div class="layui-colla-item">
                                <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/157" class="fly-link fly-joinad">替罪羊树</a></h2>
                                <div class="layui-colla-content">
                                    <p>
                                        没有了
                                    </p>
                                </div>
                            </div>
                        </div>
                    </div>
                </div>
                <div class="layui-colla-item">
                    <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/90" class="fly-link fly-joinad">划分树</a></h2>
                    <div class="layui-colla-content">
                        <p>
                            没有了
                        </p>
                    </div>
                </div>
                <div class="layui-colla-item">
                    <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/91" class="fly-link fly-joinad">归并树</a></h2>
                    <div class="layui-colla-content">
                        <p>
                            没有了
                        </p>
                    </div>
                </div>
                <div class="layui-colla-item">
                    <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/92" class="fly-link fly-joinad">k-d树</a></h2>
                    <div class="layui-colla-content">
                        <p>
                            没有了
                        </p>
                    </div>
                </div>
                <div class="layui-colla-item">
                    <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/93" class="fly-link fly-joinad">主席树</a></h2>
                    <div class="layui-colla-content">
                        <p>
                            没有了
                        </p>
                    </div>
                </div>
                <div class="layui-colla-item">
                    <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/94" class="fly-link fly-joinad">树套树</a></h2>
                    <div class="layui-colla-content">
                        <p>
                            没有了
                        </p>
                    </div>
                </div>
            </div>
        </div>
    </div>
    <div class="layui-colla-item">
        <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/8" class="fly-link fly-joinad">技巧与思想</a></h2>
        <div class="layui-colla-content">
            <div class="layui-collapse" lay-accordion="">
                <div class="layui-colla-item">
                    <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/59" class="fly-link fly-joinad">二分</a></h2>
                    <div class="layui-colla-content">
                        <p>
                            没有了
                        </p>
                    </div>
                </div>
                <div class="layui-colla-item">
                    <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/60" class="fly-link fly-joinad">三分</a></h2>
                    <div class="layui-colla-content">
                        <p>
                            没有了
                        </p>
                    </div>
                </div>
                <div class="layui-colla-item">
                    <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/61" class="fly-link fly-joinad">位运算</a></h2>
                    <div class="layui-colla-content">
                        <p>
                            没有了
                        </p>
                    </div>
                </div>
                <div class="layui-colla-item">
                    <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/62" class="fly-link fly-joinad">离散化</a></h2>
                    <div class="layui-colla-content">
                        <p>
                            没有了
                        </p>
                    </div>
                </div>
                <div class="layui-colla-item">
                    <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/63" class="fly-link fly-joinad">分块</a></h2>
                    <div class="layui-colla-content">
                        <p>
                            没有了
                        </p>
                    </div>
                </div>
                <div class="layui-colla-item">
                    <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/64" class="fly-link fly-joinad">图的拆点</a></h2>
                    <div class="layui-colla-content">
                        <p>
                            没有了
                        </p>
                    </div>
                </div>
                <div class="layui-colla-item">
                    <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/65" class="fly-link fly-joinad">数列差分化及前缀和</a></h2>
                    <div class="layui-colla-content">
                        <p>
                            没有了
                        </p>
                    </div>
                </div>
                <div class="layui-colla-item">
                    <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/66" class="fly-link fly-joinad">启发式合并</a></h2>
                    <div class="layui-colla-content">
                        <p>
                            没有了
                        </p>
                    </div>
                </div>
                <div class="layui-colla-item">
                    <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/67" class="fly-link fly-joinad">cdq分治</a></h2>
                    <div class="layui-colla-content">
                        <p>
                            没有了
                        </p>
                    </div>
                </div>
                <div class="layui-colla-item">
                    <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/68" class="fly-link fly-joinad">哈夫曼编码</a></h2>
                    <div class="layui-colla-content">
                        <p>
                            没有了
                        </p>
                    </div>
                </div>
                <div class="layui-colla-item">
                    <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/69" class="fly-link fly-joinad">倍增</a></h2>
                    <div class="layui-colla-content">
                        <div class="layui-collapse" lay-accordion="">
                            <div class="layui-colla-item">
                                <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/142" class="fly-link fly-joinad">RMQ</a></h2>
                                <div class="layui-colla-content">
                                    <p>
                                        没有了
                                    </p>
                                </div>
                            </div>
                            <div class="layui-colla-item">
                                <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/143" class="fly-link fly-joinad">LCA</a></h2>
                                <div class="layui-colla-content">
                                    <p>
                                        没有了
                                    </p>
                                </div>
                            </div>
                        </div>
                    </div>
                </div>
                <div class="layui-colla-item">
                    <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/70" class="fly-link fly-joinad">莫队算法</a></h2>
                    <div class="layui-colla-content">
                        <p>
                            没有了
                        </p>
                    </div>
                </div>
            </div>
        </div>
    </div>
    <div class="layui-colla-item">
        <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/9" class="fly-link fly-joinad">其它</a></h2>
        <div class="layui-colla-content">
            <div class="layui-collapse" lay-accordion="">
                <div class="layui-colla-item">
                    <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/127" class="fly-link fly-joinad">随机算法</a></h2>
                    <div class="layui-colla-content">
                        <p>
                            没有了
                        </p>
                    </div>
                </div>
                <div class="layui-colla-item">
                    <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/128" class="fly-link fly-joinad">模拟退火</a></h2>
                    <div class="layui-colla-content">
                        <p>
                            没有了
                        </p>
                    </div>
                </div>
                <div class="layui-colla-item">
                    <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/129" class="fly-link fly-joinad">朱刘算法</a></h2>
                    <div class="layui-colla-content">
                        <p>
                            没有了
                        </p>
                    </div>
                </div>
                <div class="layui-colla-item">
                    <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/130" class="fly-link fly-joinad">爬山算法</a></h2>
                    <div class="layui-colla-content">
                        <p>
                            没有了
                        </p>
                    </div>
                </div>
                <div class="layui-colla-item">
                    <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/131" class="fly-link fly-joinad">遗传算法</a></h2>
                    <div class="layui-colla-content">
                        <p>
                            没有了
                        </p>
                    </div>
                </div>
                <div class="layui-colla-item">
                    <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/132" class="fly-link fly-joinad">DLX算法</a></h2>
                    <div class="layui-colla-content">
                        <p>
                            没有了
                        </p>
                    </div>
                </div>
            </div>
        </div>
    </div>
    <div class="layui-colla-item">
        <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/10" class="fly-link fly-joinad">搜索</a></h2>
        <div class="layui-colla-content">
            <div class="layui-collapse" lay-accordion="">
                <div class="layui-colla-item">
                    <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/16" class="fly-link fly-joinad">BFS</a></h2>
                    <div class="layui-colla-content">
                        <p>
                            没有了
                        </p>
                    </div>
                </div>
                <div class="layui-colla-item">
                    <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/17" class="fly-link fly-joinad">DFS</a></h2>
                    <div class="layui-colla-content">
                        <p>
                            没有了
                        </p>
                    </div>
                </div>
                <div class="layui-colla-item">
                    <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/18" class="fly-link fly-joinad">IDDFS</a></h2>
                    <div class="layui-colla-content">
                        <p>
                            没有了
                        </p>
                    </div>
                </div>
                <div class="layui-colla-item">
                    <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/19" class="fly-link fly-joinad">IDA*</a></h2>
                    <div class="layui-colla-content">
                        <p>
                            没有了
                        </p>
                    </div>
                </div>
                <div class="layui-colla-item">
                    <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/20" class="fly-link fly-joinad">A*</a></h2>
                    <div class="layui-colla-content">
                        <p>
                            没有了
                        </p>
                    </div>
                </div>
                <div class="layui-colla-item">
                    <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/21" class="fly-link fly-joinad">双向BFS</a></h2>
                    <div class="layui-colla-content">
                        <p>
                            没有了
                        </p>
                    </div>
                </div>
                <div class="layui-colla-item">
                    <h2 class="layui-colla-title"><a href ="/web/classify/index/tid/22" class="fly-link fly-joinad">记忆化搜索</a></h2>
                    <div class="layui-colla-content">
                        <p>
                            没有了
                        </p>
                    </div>
                </div>
            </div>
        </div>
    </div>
</div>